Posted by Charles Page on March 20, 2003 at 03:24:24:
In Reply to: Re: $12000-(working valves not included) posted by From the Archives on March 18, 2003 at 14:14:00:
I had the exact same problem with my MW2155.  Matt Walters used that tool he was talking about and it fixed it right up.  I would bet money that that is the problem.  
Good luck